For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

1 Answers   GATE,

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

0 Answers  

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what is the use of power transformer in GSS.

0 Answers   College School Exams Tests, DLF, TCS,

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This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

0 Answers  

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what is the meaning of knee point in current transformer and how to calculate?

2 Answers  

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which winding aply in an alternator?

3 Answers  

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in electric lamp what is ballast. y its needed to start & stop lamp. what is ballast ckt.

0 Answers  

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what is the difference between interconnection and intraconnections in the circuit diagrams

0 Answers   NTPC,

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Why birds seating in HT line does not get shock? If person hangs in HT line (single hand or both hands) does he get shock?

15 Answers   SSC,

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

0 Answers   MEIL,

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How to discharge the battery as quickly as possible ?

1 Answers  

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Why are transmission lines multiples of 11? Is it because of some historic reason ? Or is there a scientific base to it?

5 Answers  

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